package org.ifilm.filter;

import java.io.IOException;
import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

/**
 * 
 * @author Mustafa Genc
 *
 */
public class LoginFilter implements Filter {
	
	public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
		HttpSession session = ((HttpServletRequest) request).getSession();
		
		String path = ((HttpServletRequest) request).getRequestURI();
		
		if (session.getAttribute("user") == null && !path.contains("register")) {
			request.getRequestDispatcher("index.jsp").forward(request, response);
			
			return;
		} else {
			chain.doFilter(request, response);
		}
	}
	
	@Override
	public void init(FilterConfig fConfig) throws ServletException {}
	
	@Override
	public void destroy() {}
}